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52201018 = 21910313337
BaseRepresentation
bin1100011100100…
…0011000111010
310122020002100001
43013020120322
5101330413033
65102503214
71202462362
oct307103072
9118202301
1052201018
1127514441
1215594b0a
13aa7919c
146d0b9a2
1548b1e7d
hex31c863a

52201018 has 16 divisors (see below), whose sum is σ = 83229120. Its totient is φ = 24484896.

The previous prime is 52201013. The next prime is 52201021. The reversal of 52201018 is 81010225.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 52200986 and 52201004.

It is not an unprimeable number, because it can be changed into a prime (52201013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755 + ... + 10582.

It is an arithmetic number, because the mean of its divisors is an integer number (5201820).

Almost surely, 252201018 is an apocalyptic number.

52201018 is a deficient number, since it is larger than the sum of its proper divisors (31028102).

52201018 is a wasteful number, since it uses less digits than its factorization.

52201018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13461.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 52201018 is about 7225.0271971806. The cubic root of 52201018 is about 373.7314600260.

The spelling of 52201018 in words is "fifty-two million, two hundred one thousand, eighteen".

Divisors: 1 2 19 38 103 206 1957 3914 13337 26674 253403 506806 1373711 2747422 26100509 52201018